diff -r 121a40d5e34c -r 8e1c9f18ae15 src/gl/gridprogram.h
--- a/src/gl/gridprogram.h	Tue Jul 27 13:23:34 2021 +0300
+++ b/src/gl/gridprogram.h	Tue Jul 27 16:29:00 2021 +0300
@@ -35,6 +35,7 @@
 	int vertexCount() const override;
 	void setupVertexArrays() override;
 	GLenum drawMode() const override;
+	QOpenGLBuffer::UsagePattern usagePattern() const override;
 private:
 	glm::vec4 gridColor = {1.0f, 1.0f, 1.0f, 0.75f};
 };